used thermagasket or steel seal?

[anson]

who has used either of these or the pebbly stuff? and how long have you been running it since? they're both all 100%guarantee-d and both cost ~100 bones.
i've got a steam powered diesel!

 

[NJKen]

What is that? One of those head gasket in a bottle products? I have never sen one of those work yet and I sure have never seen one cst $100.
Ken

 

[blaster77]

I had steel seal work once in a 93 saturn that had a blown head gasket.

Didn't cost 100 bucks though.

I have also had steel seal fail many times. Usually works for about 20 days or so, then the head gasket is worse than before.